Researchers are seeking healthy volunteers age 21–55 who 1) smoke cigarettes or use an e-cigarette daily, 2) have used both at least once in the past month, and 3) have a history of occasionally using cannabis (marijuana). Participants will be paid up to $1,730 for study completion. Study involves smoking cannabis, smoking tobacco cigarettes, and vaping with an e-cigarette over seven experimental sessions.
Please fill out this short survey or call 410-550-0050.
Behavioral Pharmacology Research Unit, Johns Hopkins Bayview Medical Center
Principal investigator: Ryan Vandrey, PhD, Protocol #: IRB00220975
